20164425051 has 16 divisors (see below), whose sum is σ = 28575722240. Its totient is φ = 12611777760.

The previous prime is 20164425049. The next prime is 20164425091. The reversal of 20164425051 is 15052446102.

It is not a de Polignac number, because 20164425051 - 2¹ = 20164425049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20164425091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1711420 + ... + 1723161.

It is an arithmetic number, because the mean of its divisors is an integer number (1785982640).

Almost surely, 2^20164425051 is an apocalyptic number.

20164425051 is a deficient number, since it is larger than the sum of its proper divisors (8411297189).

20164425051 is a wasteful number, since it uses less digits than its factorization.

20164425051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3434706.

The product of its (nonzero) digits is 9600, while the sum is 30.

The spelling of 20164425051 in words is "twenty billion, one hundred sixty-four million, four hundred twenty-five thousand, fifty-one".